Chapter 7 Planktonic Crustacea Part V Mysidacea
Chapter 7 Planktonic Crustacea Part V Mysidacea
References 刘瑞玉, 王绍武, 2000. 中国动物志 节肢动物 门 甲壳动物亚门 糠虾目
References 刘瑞玉, 王绍武, 2000. 中国动物志 节肢动物 门 甲壳动物亚门 糠虾目
Characteristic features 1 the cephalothorax is not entirely covered by the carapace 2 P Re well developed, Pl rudimentary 3 with statocyst 4 direct development
Characteristic features 1 the cephalothorax is not entirely covered by the carapace 2 P Re well developed, Pl rudimentary 3 with statocyst 4 direct development
1 External features 1.1 Partition and metamerism cephalothorax abdomen
1 External features 1.1 Partition and metamerism cephalothorax abdomen
1.2 Appendages （ 1 ） A 1 （ 2 ） A 2 （ 3 ）M, M 1, M 2 （ 4 ） P1-8 (P 1 →Mp, P 2 →Gp ） （ 5 ）Pl1-5，sexusal dimorphism （ 6 ）Up
1.2 Appendages （ 1 ） A 1 （ 2 ） A 2 （ 3 ）M, M 1, M 2 （ 4 ） P1-8 (P 1 →Mp, P 2 →Gp ） （ 5 ）Pl1-5，sexusal dimorphism （ 6 ）Up
抱卵板 Hansenomysis fyllae ♀ P2 and P8
抱卵板 Hansenomysis fyllae ♀ P2 and P8
2 Classification >700 species, 2 suborders, 4 families, 43 genera 1 shape of the carapace 2 with or without gills 3 ♀the number of oostegites 4 the degree development of Pl 5 with or without statocyst
2 Classification >700 species, 2 suborders, 4 families, 43 genera 1 shape of the carapace 2 with or without gills 3 ♀the number of oostegites 4 the degree development of Pl 5 with or without statocyst
Comparison of two suborder in Mysidacea statocyst absent usually present ♀rudimentary，♂one or more pairs modified as accessory copulatory organs ♀♂well developed ♂not modified Pl oostegites ♀7 pairs ♀2-3 pairs P absent branchiae 2-7 present Suborder Mysida Suborder Lophogastrida
Comparison of two suborder in Mysidacea statocyst absent usually present ♀rudimentary，♂one or more pairs modified as accessory copulatory organs ♀♂well developed ♂not modified Pl oostegites ♀7 pairs ♀2-3 pairs P absent branchiae 2-7 present Suborder Mysida Suborder Lophogastrida
2.1 Suborder Lophogastrida 疣背糠虾亚目 2.2 Suborder Mysida 糠虾亚目 2.2.1 Mysidae 糠虾科 Subfamily Siriellinae 节糠虾亚科 Siriella sinensis 中华节糠虾
2.1 Suborder Lophogastrida 疣背糠虾亚目 2.2 Suborder Mysida 糠虾亚目 2.2.1 Mysidae 糠虾科 Subfamily Siriellinae 节糠虾亚科 Siriella sinensis 中华节糠虾
Subfamily Gastrosaccinae 囊糠虾亚科 Iiella pelagicus 漂浮小井伊糠虾 Pl 3 Re Incision on telson
Subfamily Gastrosaccinae 囊糠虾亚科 Iiella pelagicus 漂浮小井伊糠虾 Pl 3 Re Incision on telson